Website & contact details
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- The site of this company’s group or brand.
Birdsall Networks Limited
- Incorporated
- 2 May 1975 (51 years)
- Previously known as
- Birdsall Services Ltd. (until 30 April 2025)Birdsall (Air Conditioning) Limited (until 6 June 1995)
- Industry
- Plumbing, heat and air-conditioning installation (43220)
- Directors
- Katherine Chambers
- Owned by
- Accounts type
- Full
- Region
- East of England
- Address
- 13 Avebury CourtMark RoadHemel HempsteadHP2 7TA
Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 15 September 2027
- Last conf. stmt
- 1 September 2026
Charges
- Total
- 5
- Outstanding
- 2
- Part satisfied
- 0
- Satisfied
- 3
Officers 4 active
Officer details are public data from the Companies House register.
Chambers, Katherine
Secretary · Appointed 1 April 2017
British
Born May 1976 (50)
Chambers, Katherine
Director · Appointed 25 November 2009
British
Born September 1975 (51)
Director · Appointed 1 April 2004
British
Born April 1969 (57)
Officer history (14 former)
23 April 2026
Resigned Upton, Darren Robert as Director
23 April 2026
23 April 2026
Resigned Culliton, Lynne Deborah as Director
18 April 2024
Appointed Upton, Darren Robert as Director
30 September 2021
Resigned Halls, John William as Director
1 April 2017
Appointed Chambers, Katherine as Secretary
31 March 2017
31 March 2017
30 August 2012
25 November 2009
Appointed Culliton, Lynne Deborah as Director
25 November 2009
Appointed Chambers, Katherine as Director
22 January 2008
Resigned Hayward, Ben as Director
8 June 2007
10 March 2007
Appointed Hayward, Ben as Director
10 March 2007
31 March 2006
Resigned Buckett, David Charles Peter as Director
1 April 2004
1 April 2003
1 April 2003
Appointed Halls, John William as Director
1 April 2003
29 September 1997
29 September 1997
29 September 1997
28 February 1996
Resigned Patience, Ian Dennis as Director
31 October 1992
Resigned Baker, Leslie Albert as Director
1 September 1992
1 October 1991
Appointed Patience, Ian Dennis as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited Company
Reg. no. 5932214
Former controllers (1)
9 June 2023
Group structure 4 companies
Ownership group derived from the Companies House PSC register
Birdsall Decarbonisation Limited Owns 75–100% of shares
Birdsall Networks Limited This company Owns 75–100% of shares
Birdsall Technical Services Limited Owns 75–100% of shares
Financials
Balance sheet as at 31 March 2025 · full accounts
- Net Assets
- £1,863,801
- Cash
- £849,454
- Turnover
- £13,922,415
- Profit Before Tax
- £320,302
- Employees
- 104
- Debt Ratio
- 57%
- Current Ratio
- 1.9x
- Profit Margin
- 2%
- Return on Equity
- 16%
Trend
Turnover
Balance sheet detail
| 2025 | 2024 | 2022 | 2021 | |
|---|---|---|---|---|
| Fixed Assets | £567,374 | £481,722 | £256,812 | £210,325 |
| Current Assets | £3,775,577 | £3,552,196 | £5,185,473 | |
| Debtors | £2,921,365 | £2,638,308 | ||
| Cash | £849,454 | £538,743 | £1,784,764 | £975,044 |
| Creditors (< 1 year) | £2,001,371 | £2,082,738 | £2,226,859 | £1,489,773 |
| Creditors (> 1 year) | £322,212 | £224,950 | £41,141 | |
| Net Current Assets | £1,774,206 | £1,469,458 | £2,958,614 | £2,282,960 |
| Net Assets | £1,863,801 | £1,572,129 | £3,071,500 | £2,337,062 |
| Shareholder Funds | £1,863,801 | £1,572,129 | £2,337,062 | |
| Turnover | £13,922,415 | £15,019,139 | ||
| Cost of Sales | £10,560,389 | £11,755,227 | ||
| Gross Profit | £3,362,026 | £3,263,912 | ||
| Admin Expenses | £2,807,012 | £3,018,612 | ||
| Staff Costs | £5,861,400 | £5,856,671 | ||
| Operating Profit | £372,548 | £91,189 | ||
| Profit Before Tax | £320,302 | £4,686 | ||
| Tax | £28,630 | £58,857 | ||
| Profit for Period | £291,672 | (£54,171) | ||
Filings 151
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 1 September 2026 | Confirmation statement with no updates | 1 September 2026 | ||
| 23 April 2026 | Termination of appointment of a director | |||
| 23 April 2026 | Termination of appointment of a director | |||
| 23 April 2026 | Termination of appointment of a director | |||
| 2 December 2025 | Full accounts | 31 March 2025 |
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